The FS9316 G/8 OPT zone expansion module has up to 16 supervised inputs and 8 output relays. Each input monitors and reports normal, off-normal and alarm states. The FS9316 G/8 OPT connects to FS9002 G main panel via CANbus. FS9316 G/8 OPT features backup battery capacity test, battery reverse polarity protection, LED indicators for various statuses of onboard systems, separate input for temperature sensor and easy to use pluggable terminals for all PCB connections. The FS9316 G/8 OPT zone extension module has 2 fiber optic ports for extending zone inputs over existing fiber optic channels.